2, do sit-ups: This kind of exercise is mainly to exercise the waist muscles, let the waist burn fat, prevent fat accumulation and thickening, and at the same time practice a strong and sexy abdomen.
3. Bend your knees to the middle waist position, just like sitting in a chair. If your knees are in front of your toes, please pay attention to the weight of your knees and don't push your hips back. Pay attention to your abdomen near your waist.
Extended data:
User exercise precautions:
1, don't eat too much before exercise, and it is more appropriate to eat 65438+ 0~2 hours before exercise. Food needs to stay in the stomach for a long time before it can be digested and absorbed. If you eat too much before exercise, the gastrointestinal tract will swell and affect your health. You should eat less gas-producing food before exercise.
2. It is not appropriate to stop suddenly during exercise, which will cause the whole body blood not to return to the heart in time, and the blood supply of the heart to the whole body organs and tissues will suddenly decrease, which will cause dizziness, nausea and vomiting, so you should continue to do relaxation exercise after exercise.
Don't take a bath immediately after exercise. Blood is mainly on the limbs and skin. The blood hasn't been adjusted well after exercise. Taking a bath immediately will lead to further concentration of blood in limbs and skin, which is easy to cause brain. Insufficient blood supply to the heart can cause discomfort.
4. The standard time of exercise should be 30~60 minutes. Foreign research shows that the state of human function changes day and night. Every day from 8:00- 12:00, 14:00- 17:00, the speed, strength and endurance are at their best. If you exercise during this time,
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